Sindh MDCAT 2020 Chemistry#Carboxylic Acids#Reactivity of Carboxylic Acid Derivatives686Choose the best answerThe exact reactivity order for carboxylic acid derivatives is: (Sindh MDCAT 2020)AAmide > Acyl chloride > EsterBAcyl chloride > Anhydride > EsterCAnhydride > Acyl chloride > EsterDEster > Anhydride > Acyl chloride Like 1 Discuss 0Share
Fundamental Principles of Organic ChemistryCoke and Its Uses687Choose the best answerWhich statement about coke is false?AIt is mainly carbon.BIt is porous.CIt is used in blast furnaces.DIt contains a high proportion of volatile substances. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryVital Force Theory688Choose the best answerAccording to the Vital Force Theory, organic compounds could be prepared only:ABy ionic reactionsBInside living organismsCIn laboratoriesDFrom minerals Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Empirical and Molecular Formula#Stoichiometry689Choose the best answerCompounds having the molecular formula C₄H₁₁N can show:AChain isomerism onlyBPosition and metamerism onlyCFunctional isomerism onlyDChain, position, metamerism and functional isomerism Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking690Choose the best answerWhich fuel is least likely to produce knocking in a petrol engine?ALow-octane petrolBHigh-octane petrolCDieselDKerosene Like 0 Discuss 0Share